2. 计算机
  3. By　using　MP3,　a　600M-byte　music　CD　can　be(70)to　50M　bytes　or　less.　It　can　be　streamed(downloaded　in　chunks)so　that　you　can　begin

By　using　MP3,　a　600M-byte　music　CD　can　be(70)to　50M　bytes　or　less.　It　can　be　streamed(downloaded　in　chunks)so　that　you　can　begin

admin2009-02-15  42
问题 By　using　MP3,　a　600M-byte　music　CD　can　be(70)to　50M　bytes　or　less.　It　can　be　streamed(downloaded　in　chunks)so　that　you　can　begin　listening　to　the　opening　bars　while　the(71)of　the　file　arrives　in　the　background.　And,　most　important,　MP3　music　files　retain　good　listening(72)that(73)compression　schemes　lacked.　That(74)of　features　makes　accessing　and　distributing　music　on　the　Web　practical　for　the　first　time.
选项 A、voice
B、mass
C、quantity
D、quality
答案D
解析
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